package lzh.java;

/**
 * @author liuzhihao
 * @create 2021-02-12 22:07
 */

/**
 * 例子：创建三个窗口卖票，总票数为100张，使用继承Thread类的方式
 *
 *
 *
 * 存在线程的安全问题
 */
class Window extends  Thread{
    private static int ticket = 100;
    @Override
    public void run() {

        while(true){
            if(ticket > 0){
                System.out.println(Thread.currentThread().getName() + ":卖票，票号为：" + ticket );
                ticket--;
            }else{
                break;
            }
        }

    }
}

public class WindowTest {
    public static void main(String[] args) {

        Window t1 = new Window();
        Window t2 = new Window();
        Window t3 = new Window();

        t1.setName("窗口1");
        t1.setName("窗口2");
        t1.setName("窗口3");

        t1.start();
        t2.start();
        t3.start();
    }


}
